Unification or unification theory may refer to: Computer science Unification (computer science), the act of identifying two terms with a suitable substitution Unification (graph theory), the computation of the most general graph that subsumes one or more argument graphs (if such a graph exists) Han unification, an orthographic issue dealt with by Unicode Physics Unification (physics) of the observable fundamental phenomena of nature is one of the primary goals of physics Grand Unified Theory, a model in particle physics Unified field theory, a type of field theory Popular culture Unification (album), a 1998 album by the band Iron Savior "Unification" (Star Trek: The Next Generation), a two-part episode of Star Trek: The Next Generation Sport The act of producing an undisputed championship in boxing The act of producing an undisputed championship in professional wrestling Other uses Semantic unification, in philosophy, linguistics, and computer science Unification Church or Movement, a spiritual movement founded in Korea Unification or re-unification of sovereign states, see political union See also Unification Church Unionism (disambiguation) Unified (disambiguation)